You can't squeeze water from a rock. But tree roots can—and they're doing it more frequently than scientists previously thought, with a new study finding that bedrock is a regular source of water for trees across the United ...
Earth Sciences
Sep 8, 2021
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Research published this week by University of Wisconsin-Madison scientists shows how bacteria can degrade solid bedrock, jump-starting a long process of alteration that creates the mineral portion of soil.
Earth Sciences
Dec 16, 2019
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Geologic time is supposed to be slow, and the most solid object should be bedrock. But new University of Washington research upends both concepts: Effects of logging show that human activity can significantly erode bedrock, ...
Earth Sciences
Apr 15, 2019
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292
(Phys.org) —A trio of researchers, two from Aarhus University in Denmark and a third from the University of Melbourne in Australia, claim in a paper published in the journal Nature that mountain longevity is likely due ...
(Phys.org)—NASA's Curiosity rover has, for the first time, used a drill carried at the end of its robotic arm to bore into a flat, veiny rock on Mars and collect a sample from its interior. This is the first time any robot ...
Space Exploration
Feb 9, 2013
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NASA officials say the Curiosity rover has made its first scoop of the surface of planet Mars and has detected a bright object on the ground.
Space Exploration
Oct 9, 2012
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As it trundles around an ancient lakebed on Mars, NASA's Perseverance rover is assembling a one-of-a-kind rock collection. The car-sized explorer is methodically drilling into the Red Planet's surface and pulling out cores ...
Planetary Sciences
Mar 4, 2024
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17
A new research study describes a previously unknown chemical process for removal of uranium from groundwater. Deep down in the bedrock, in an oxygen-free environment, microbes assist in the process of turning uranium "into ...
Earth Sciences
Apr 21, 2023
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47
NASA's Perseverance Mars rover has begun exploring an area the science team calls "Yori Pass" near the base of Jezero Crater's ancient river delta. They've been eager to explore the region for several months after spotting ...
Planetary Sciences
Nov 17, 2022
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354
Wells located near ancient folds and fractures in the bedrock beneath southeastern Wisconsin are more likely to contain arsenic, a dangerous contaminant in drinking water, according to research just published by the Wisconsin ...
Earth Sciences
Apr 26, 2021
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In stratigraphy, bedrock is the native consolidated rock underlying the surface of a terrestrial planet, usually the Earth. Above the bedrock is usually an area of broken and weathered unconsolidated rock in the basal subsoil. The top of the bedrock is known as rockhead and identifying this, via excavations, drilling or geophysical methods, is an important task in most civil engineering projects. Superficial deposits (also known as drift) can be extremely thick, such that the bedrock lies hundreds of metres below the surface.
Bedrock may also experience subsurface weathering at its upper boundary, forming saprolite.
A solid geologic map of an area will usually show the distribution of differing rock types; i.e., rock that would be exposed at the surface if all soil or other superficial deposits were removed.
This text uses material from Wikipedia, licensed under CC BY-SA
